$(document).ready(function() {
    var browser=navigator.appName
    var b_version=navigator.appVersion
    var version=b_version.split(";");
    var trim_Version=version[1].replace(/[ ]/g,"");
    if(browser=="Microsoft Internet Explorer" && trim_Version=="MSIE6.0")
    {
        $('.div_block ul li:nth-of-type(2n)').css({
            'float': 'right',
            'clear':'right',
            'margin-right':'0px'
        });
    }
    else if(browser=="Microsoft Internet Explorer" && trim_Version=="MSIE7.0")
    {
        $('.div_block ul li:nth-of-type(2n)').css({
            'float': 'right',
            'clear':'right',
            'margin-right':'0px'
        });
    }
    else if(browser=="Microsoft Internet Explorer" && trim_Version=="MSIE8.0")
    {
        $('.div_block ul li:nth-of-type(2n)').css({
            'margin-right': '0px'
        });
    }
});